A fragment of a 3,000-year-old gold mask sits on display Saturday at a laboratory. The mask was unearthed from the Sanxingdui archaeological site in Guanghan, Southwest China’s Sichuan province. Photo: Wang Mingping/Red Star News/VCG

An archaeologist extracts pieces of gold foil on March 16 from Sanxingdui’s No. 5 pit, one of the six pits discovered at the site between November 2019 and May 2020. Photo: VCG

Pieces of gold foil lie in the soil of the No. 5 pit on Saturday. Photo: VCG

A series of bronze wares and ivory pieces were unearthed at the No. 3 pit on March 16. Photo: VCG

An archaeologist works with a bronze artifact found in the No. 3 pit on March 10. Photo: VCG

A 2.62-meter-tall bronze statue, which was previously discovered at the archaeological site, stands on display Saturday at the Sanxingdui Museum in Guanghan. Photo: VCG

A bronze mask with protruding eyes sits at the museum in November 2017. Photo: VCG

A nearly 4-meter bronze tree encased stands at the museum on Jan. 22. Photo: VCG

The dig that began in 2019 at the Sanxingdui site has unearthed more than 500 ancient artifacts made of gold, bronze, jade and ivory. Photo: IC Photo

The Sanxingdui site, covering 12 square kilometers (4.6 square miles), is one of China’s most important bronze age archaeological sites. Photo: VCG